Optics: motion pictures – Stereoscopic cameras and/or projectors
Patent
1989-03-06
1990-06-19
Hayes, Monroe H.
Optics: motion pictures
Stereoscopic cameras and/or projectors
352 45, 352 46, 352 86, 352 66, 352 60, 352213, 352 43, G03B 3500
Patent
active
049348248
ABSTRACT:
A method of recording an image of an object onto cinematographic color film comprises forming a number of successive images of the object through a single lens system onto each frame of the film, the successive images being recorded in light of different characteristics, for example different colors. In a preferred embodiment, each frame of the film is exposed successively to light of two or three different colors. The film is projected using a conventional projector, and when viewed through spectacles consisting of two appropriate filters gives a stereoscopic effect. The method can be used to produce a film which can also be viewed without spectacles, and is found to give enhanced sharpness and color saturation. The invention also includes a moving film camera having a mechanism for interposing a number of filters in the optical path successively during exposure of each frame so that successive images are overlaid on each frame. In one embodiment a rotatable shutter member having a transparent portion consisting of a number of filters is provided. The shutter member may replace the rotating shutter of a conventional film camera. Several different forms of shutter member are described.
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Aspex Limited
Hayes Monroe H.
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